HDR DIRECT OPERATED PRESSURE RELIEF VALVES
HDR Series relief valves, with remote control port, are direct operated poppet type used to limit pressure in a hydraulic system. It has characteristics of compact structure, high performance, reliable work, low noise, and long service life. These series are widely applied to many lower flow systems.
|Max Flow rate（L/min）||25||50||80||120||220|
|Max operating pressure（MPa）||31.5|
|Valve body（Material）Surface treatment||（Steel body）Surface clear zinc plating|
|Oil cleanliness||NAS1638 class 9 and ISO4406 class 20/18/15|